System Board Jumper Settings; Disabling Forgotten Password - Dell EMC PowerEdge R740xd Installation And Service Manual

Table 59. System board jumpers and connectors (continued)
Item Connector
37 J_SATA_B
38 J_R1_SS82_1
39 J_SATA_A
40 J_SATA_C
41 CPU1
42 P_RGT_CP

System board jumper settings

For information on resetting the password jumper to disable a password, see the

Disabling forgotten password

The software security features of the system include a system password and a setup password. The password jumper enables or disables
password features and clears any password(s) currently in use.
Prerequisites
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and
simple repairs as authorized in your product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow
the safety instructions that are shipped with your product.
Steps
1. Power off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
2. Remove the system cover.
3. Move the jumper on the system board jumper from pins 2 and 4 to pins 4 and 6.
4. Install the system cover.
The existing passwords are not disabled (erased) until the system boots with the jumper on pins 4 and 6. However, before you assign
a new system and/or setup password, you must move the jumper back to pins 2 and 4.
NOTE: If you assign a new system and/or setup password with the jumper on pins 4 and 6, the system disables the
new password(s) the next time it boots.
5. Reconnect the system to its electrical outlet and power on the system, including any attached peripherals.
6. Power off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
7. Remove the system cover.
8. Move the jumper on the system board jumper from pins 4 and 6 to pins 2 and 4.
9. Install the system cover.
10. Reconnect the system to its electrical outlet and power on the system, including any attached peripherals.
11. Assign a new system and/or setup password.
Description
SATA B connector
Riser 1 connector (Mini PERC option)
SATA A connector
SATA C connector (Optical drive SATA connector)
CPU1 processor and heat sink module
Right control panel connector
Disabling a forgotten password
Jumpers and connectors
section.
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